Doping-control of excitons and magnetism in few-layer CrSBr
Abstract Magnetism in two-dimensional materials reveals phenomena distinct from bulk magnetic crystals, with sensitivity to charge doping and electric fields in monolayer and bilayer van der Waals magnet CrI3. Within the class of layered magnets, semiconducting CrSBr stands out by featuring stabilit...
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| Language: | English |
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Nature Portfolio
2024-06-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-49048-9 |
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| author | Farsane Tabataba-Vakili Huy P. G. Nguyen Anna Rupp Kseniia Mosina Anastasios Papavasileiou Kenji Watanabe Takashi Taniguchi Patrick Maletinsky Mikhail M. Glazov Zdenek Sofer Anvar S. Baimuratov Alexander Högele |
| author_facet | Farsane Tabataba-Vakili Huy P. G. Nguyen Anna Rupp Kseniia Mosina Anastasios Papavasileiou Kenji Watanabe Takashi Taniguchi Patrick Maletinsky Mikhail M. Glazov Zdenek Sofer Anvar S. Baimuratov Alexander Högele |
| author_sort | Farsane Tabataba-Vakili |
| collection | DOAJ |
| description | Abstract Magnetism in two-dimensional materials reveals phenomena distinct from bulk magnetic crystals, with sensitivity to charge doping and electric fields in monolayer and bilayer van der Waals magnet CrI3. Within the class of layered magnets, semiconducting CrSBr stands out by featuring stability under ambient conditions, correlating excitons with magnetic order and thus providing strong magnon-exciton coupling, and exhibiting peculiar magneto-optics of exciton-polaritons. Here, we demonstrate that both exciton and magnetic transitions in bilayer and trilayer CrSBr are sensitive to voltage-controlled field-effect charging, exhibiting bound exciton-charge complexes and doping-induced metamagnetic transitions. Moreover, we demonstrate how these unique properties enable optical probes of local magnetic order, visualizing magnetic domains of competing phases across metamagnetic transitions induced by magnetic field or electrostatic doping. Our work identifies few-layer CrSBr as a rich platform for exploring collaborative effects of charge, optical excitations, and magnetism. |
| format | Article |
| id | doaj-art-8a7eed2d050d4f34823375a951724b86 |
| institution | OA Journals |
| issn | 2041-1723 |
| language | English |
| publishDate | 2024-06-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-8a7eed2d050d4f34823375a951724b862025-08-20T02:13:26ZengNature PortfolioNature Communications2041-17232024-06-011511910.1038/s41467-024-49048-9Doping-control of excitons and magnetism in few-layer CrSBrFarsane Tabataba-Vakili0Huy P. G. Nguyen1Anna Rupp2Kseniia Mosina3Anastasios Papavasileiou4Kenji Watanabe5Takashi Taniguchi6Patrick Maletinsky7Mikhail M. Glazov8Zdenek Sofer9Anvar S. Baimuratov10Alexander Högele11Fakultät für Physik, Munich Quantum Center, and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität MünchenFakultät für Physik, Munich Quantum Center, and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität MünchenFakultät für Physik, Munich Quantum Center, and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität MünchenDepartment of Inorganic Chemistry, University of Chemistry and Technology PragueDepartment of Inorganic Chemistry, University of Chemistry and Technology PragueResearch Center for Functional Materials, National Institute for Materials ScienceInternational Center for Materials Nanoarchitectonics, National Institute for Materials ScienceDepartment of PhysicsIoffe InstituteDepartment of Inorganic Chemistry, University of Chemistry and Technology PragueFakultät für Physik, Munich Quantum Center, and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität MünchenFakultät für Physik, Munich Quantum Center, and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität MünchenAbstract Magnetism in two-dimensional materials reveals phenomena distinct from bulk magnetic crystals, with sensitivity to charge doping and electric fields in monolayer and bilayer van der Waals magnet CrI3. Within the class of layered magnets, semiconducting CrSBr stands out by featuring stability under ambient conditions, correlating excitons with magnetic order and thus providing strong magnon-exciton coupling, and exhibiting peculiar magneto-optics of exciton-polaritons. Here, we demonstrate that both exciton and magnetic transitions in bilayer and trilayer CrSBr are sensitive to voltage-controlled field-effect charging, exhibiting bound exciton-charge complexes and doping-induced metamagnetic transitions. Moreover, we demonstrate how these unique properties enable optical probes of local magnetic order, visualizing magnetic domains of competing phases across metamagnetic transitions induced by magnetic field or electrostatic doping. Our work identifies few-layer CrSBr as a rich platform for exploring collaborative effects of charge, optical excitations, and magnetism.https://doi.org/10.1038/s41467-024-49048-9 |
| spellingShingle | Farsane Tabataba-Vakili Huy P. G. Nguyen Anna Rupp Kseniia Mosina Anastasios Papavasileiou Kenji Watanabe Takashi Taniguchi Patrick Maletinsky Mikhail M. Glazov Zdenek Sofer Anvar S. Baimuratov Alexander Högele Doping-control of excitons and magnetism in few-layer CrSBr Nature Communications |
| title | Doping-control of excitons and magnetism in few-layer CrSBr |
| title_full | Doping-control of excitons and magnetism in few-layer CrSBr |
| title_fullStr | Doping-control of excitons and magnetism in few-layer CrSBr |
| title_full_unstemmed | Doping-control of excitons and magnetism in few-layer CrSBr |
| title_short | Doping-control of excitons and magnetism in few-layer CrSBr |
| title_sort | doping control of excitons and magnetism in few layer crsbr |
| url | https://doi.org/10.1038/s41467-024-49048-9 |
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